1838998420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1338

約数の個数: 144

約数和(自身を含む): 4730180112

約数和(自身を除く): 2891181692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 41, 49, 70, 74, 82, 98, 140, 148, 164, 185, 196, 205, 245, 259, 287, 370, 410, 490, 518, 574, 740, 820, 980, 1036, 1148, 1237, 1295, 1435, 1517, 1813, 2009, 2474, 2590, 2870, 3034, 3626, 4018, 4948, 5180, 5740, 6068, 6185, 7252, 7585, 8036, 8659, 9065, 10045, 10619, 12370, 15170, 17318, 18130, 20090, 21238, 24740, 30340, 34636, 36260, 40180, 42476, 43295, 45769, 50717, 53095, 60613, 74333, 86590, 91538, 101434, 106190, 121226, 148666, 173180, 183076, 202868, 212380, 228845, 242452, 253585, 297332, 303065, 320383, 355019, 371665, 457690, 507170, 606130, 640766, 710038, 743330, 915380, 1014340, 1212260, 1281532, 1420076, 1486660, 1601915, 1775095, 1876529, 2242681, 2485133, 3203830, 3550190, 3753058, 4485362, 4970266, 6407660, 7100380, 7506116, 8970724, 9382645, 9940532, 11213405, 12425665, 13135703, 18765290, 22426810, 24851330, 26271406, 37530580, 44853620, 49702660, 52542812, 65678515, 91949921, 131357030, 183899842, 262714060, 367799684, 459749605, 919499210, 1838998420]

約数ペア:

[(1, 1838998420), (2, 919499210), (4, 459749605), (5, 367799684), (7, 262714060), (10, 183899842), (14, 131357030), (20, 91949921), (28, 65678515), (35, 52542812), (37, 49702660), (41, 44853620), (49, 37530580), (70, 26271406), (74, 24851330), (82, 22426810), (98, 18765290), (140, 13135703), (148, 12425665), (164, 11213405), (185, 9940532), (196, 9382645), (205, 8970724), (245, 7506116), (259, 7100380), (287, 6407660), (370, 4970266), (410, 4485362), (490, 3753058), (518, 3550190), (574, 3203830), (740, 2485133), (820, 2242681), (980, 1876529), (1036, 1775095), (1148, 1601915), (1237, 1486660), (1295, 1420076), (1435, 1281532), (1517, 1212260), (1813, 1014340), (2009, 915380), (2474, 743330), (2590, 710038), (2870, 640766), (3034, 606130), (3626, 507170), (4018, 457690), (4948, 371665), (5180, 355019), (5740, 320383), (6068, 303065), (6185, 297332), (7252, 253585), (7585, 242452), (8036, 228845), (8659, 212380), (9065, 202868), (10045, 183076), (10619, 173180), (12370, 148666), (15170, 121226), (17318, 106190), (18130, 101434), (20090, 91538), (21238, 86590), (24740, 74333), (30340, 60613), (34636, 53095), (36260, 50717), (40180, 45769), (42476, 43295)]