904252020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:598

約数の個数: 192

約数和(自身を含む): 3010560000

約数和(自身を除く): 2106307980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 199, 210, 217, 310, 349, 372, 398, 420, 434, 465, 597, 620, 651, 698, 796, 868, 930, 995, 1047, 1085, 1194, 1302, 1393, 1396, 1745, 1860, 1990, 2094, 2170, 2388, 2443, 2604, 2786, 2985, 3255, 3490, 3980, 4179, 4188, 4340, 4886, 5235, 5572, 5970, 6169, 6510, 6965, 6980, 7329, 8358, 9772, 10470, 10819, 11940, 12215, 12338, 13020, 13930, 14658, 16716, 18507, 20895, 20940, 21638, 24430, 24676, 27860, 29316, 30845, 32457, 36645, 37014, 41790, 43183, 43276, 48860, 54095, 61690, 64914, 69451, 73290, 74028, 75733, 83580, 86366, 92535, 108190, 123380, 129549, 129828, 138902, 146580, 151466, 162285, 172732, 185070, 208353, 215915, 216380, 227199, 259098, 277804, 302932, 324570, 347255, 370140, 378665, 416706, 431830, 454398, 486157, 518196, 647745, 649140, 694510, 757330, 833412, 863660, 908796, 972314, 1041765, 1135995, 1295490, 1389020, 1458471, 1514660, 1944628, 2083530, 2152981, 2271990, 2430785, 2590980, 2916942, 4167060, 4305962, 4543980, 4861570, 5833884, 6458943, 7292355, 8611924, 9723140, 10764905, 12917886, 14584710, 15070867, 21529810, 25835772, 29169420, 30141734, 32294715, 43059620, 45212601, 60283468, 64589430, 75354335, 90425202, 129178860, 150708670, 180850404, 226063005, 301417340, 452126010, 904252020]

約数ペア:

[(1, 904252020), (2, 452126010), (3, 301417340), (4, 226063005), (5, 180850404), (6, 150708670), (7, 129178860), (10, 90425202), (12, 75354335), (14, 64589430), (15, 60283468), (20, 45212601), (21, 43059620), (28, 32294715), (30, 30141734), (31, 29169420), (35, 25835772), (42, 21529810), (60, 15070867), (62, 14584710), (70, 12917886), (84, 10764905), (93, 9723140), (105, 8611924), (124, 7292355), (140, 6458943), (155, 5833884), (186, 4861570), (199, 4543980), (210, 4305962), (217, 4167060), (310, 2916942), (349, 2590980), (372, 2430785), (398, 2271990), (420, 2152981), (434, 2083530), (465, 1944628), (597, 1514660), (620, 1458471), (651, 1389020), (698, 1295490), (796, 1135995), (868, 1041765), (930, 972314), (995, 908796), (1047, 863660), (1085, 833412), (1194, 757330), (1302, 694510), (1393, 649140), (1396, 647745), (1745, 518196), (1860, 486157), (1990, 454398), (2094, 431830), (2170, 416706), (2388, 378665), (2443, 370140), (2604, 347255), (2786, 324570), (2985, 302932), (3255, 277804), (3490, 259098), (3980, 227199), (4179, 216380), (4188, 215915), (4340, 208353), (4886, 185070), (5235, 172732), (5572, 162285), (5970, 151466), (6169, 146580), (6510, 138902), (6965, 129828), (6980, 129549), (7329, 123380), (8358, 108190), (9772, 92535), (10470, 86366), (10819, 83580), (11940, 75733), (12215, 74028), (12338, 73290), (13020, 69451), (13930, 64914), (14658, 61690), (16716, 54095), (18507, 48860), (20895, 43276), (20940, 43183), (21638, 41790), (24430, 37014), (24676, 36645), (27860, 32457), (29316, 30845)]