1897202380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 4633251840

約数和(自身を除く): 2736049460

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 37, 46, 68, 74, 79, 83, 85, 92, 115, 148, 158, 166, 170, 185, 230, 316, 332, 340, 370, 391, 395, 415, 460, 629, 740, 782, 790, 830, 851, 1258, 1343, 1411, 1564, 1580, 1660, 1702, 1817, 1909, 1955, 2516, 2686, 2822, 2923, 3071, 3145, 3404, 3634, 3818, 3910, 4255, 5372, 5644, 5846, 6142, 6290, 6557, 6715, 7055, 7268, 7636, 7820, 8510, 9085, 9545, 11692, 12284, 12580, 13114, 13430, 14110, 14467, 14615, 15355, 17020, 18170, 19090, 26228, 26860, 28220, 28934, 29230, 30710, 30889, 32453, 32785, 36340, 38180, 49691, 52207, 57868, 58460, 61420, 61778, 64906, 65570, 67229, 70633, 72335, 99382, 104414, 111469, 123556, 129812, 131140, 134458, 141266, 144670, 150811, 154445, 162265, 198764, 208828, 222938, 242609, 248455, 261035, 268916, 282532, 289340, 301622, 308890, 324530, 336145, 353165, 445876, 485218, 496910, 522070, 557345, 603244, 617780, 649060, 672290, 706330, 754055, 970436, 993820, 1044140, 1114690, 1142893, 1200761, 1213045, 1344580, 1412660, 1508110, 2229380, 2285786, 2401522, 2426090, 2563787, 3016220, 4124353, 4571572, 4803044, 4852180, 5127574, 5580007, 5714465, 6003805, 8248706, 10255148, 11160014, 11428930, 12007610, 12818935, 16497412, 20621765, 22320028, 22857860, 24015220, 25637870, 27900035, 41243530, 51275740, 55800070, 82487060, 94860119, 111600140, 189720238, 379440476, 474300595, 948601190, 1897202380]

約数ペア:

[(1, 1897202380), (2, 948601190), (4, 474300595), (5, 379440476), (10, 189720238), (17, 111600140), (20, 94860119), (23, 82487060), (34, 55800070), (37, 51275740), (46, 41243530), (68, 27900035), (74, 25637870), (79, 24015220), (83, 22857860), (85, 22320028), (92, 20621765), (115, 16497412), (148, 12818935), (158, 12007610), (166, 11428930), (170, 11160014), (185, 10255148), (230, 8248706), (316, 6003805), (332, 5714465), (340, 5580007), (370, 5127574), (391, 4852180), (395, 4803044), (415, 4571572), (460, 4124353), (629, 3016220), (740, 2563787), (782, 2426090), (790, 2401522), (830, 2285786), (851, 2229380), (1258, 1508110), (1343, 1412660), (1411, 1344580), (1564, 1213045), (1580, 1200761), (1660, 1142893), (1702, 1114690), (1817, 1044140), (1909, 993820), (1955, 970436), (2516, 754055), (2686, 706330), (2822, 672290), (2923, 649060), (3071, 617780), (3145, 603244), (3404, 557345), (3634, 522070), (3818, 496910), (3910, 485218), (4255, 445876), (5372, 353165), (5644, 336145), (5846, 324530), (6142, 308890), (6290, 301622), (6557, 289340), (6715, 282532), (7055, 268916), (7268, 261035), (7636, 248455), (7820, 242609), (8510, 222938), (9085, 208828), (9545, 198764), (11692, 162265), (12284, 154445), (12580, 150811), (13114, 144670), (13430, 141266), (14110, 134458), (14467, 131140), (14615, 129812), (15355, 123556), (17020, 111469), (18170, 104414), (19090, 99382), (26228, 72335), (26860, 70633), (28220, 67229), (28934, 65570), (29230, 64906), (30710, 61778), (30889, 61420), (32453, 58460), (32785, 57868), (36340, 52207), (38180, 49691)]