19870727200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{3593}}^1$

素因数の和:3867

約数の個数: 144

約数和(自身を含む): 50312779776

約数和(自身を除く): 30442052576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 223, 248, 310, 400, 446, 496, 620, 775, 800, 892, 992, 1115, 1240, 1550, 1784, 2230, 2480, 3100, 3568, 3593, 4460, 4960, 5575, 6200, 6913, 7136, 7186, 8920, 11150, 12400, 13826, 14372, 17840, 17965, 22300, 24800, 27652, 28744, 34565, 35680, 35930, 44600, 55304, 57488, 69130, 71860, 89200, 89825, 110608, 111383, 114976, 138260, 143720, 172825, 178400, 179650, 221216, 222766, 276520, 287440, 345650, 359300, 445532, 553040, 556915, 574880, 691300, 718600, 801239, 891064, 1106080, 1113830, 1382600, 1437200, 1602478, 1782128, 2227660, 2765200, 2784575, 2874400, 3204956, 3564256, 4006195, 4455320, 5530400, 5569150, 6409912, 8012390, 8910640, 11138300, 12819824, 16024780, 17821280, 20030975, 22276600, 24838409, 25639648, 32049560, 40061950, 44553200, 49676818, 64099120, 80123900, 89106400, 99353636, 124192045, 128198240, 160247800, 198707272, 248384090, 320495600, 397414544, 496768180, 620960225, 640991200, 794829088, 993536360, 1241920450, 1987072720, 2483840900, 3974145440, 4967681800, 9935363600, 19870727200]

約数ペア:

[(1, 19870727200), (2, 9935363600), (4, 4967681800), (5, 3974145440), (8, 2483840900), (10, 1987072720), (16, 1241920450), (20, 993536360), (25, 794829088), (31, 640991200), (32, 620960225), (40, 496768180), (50, 397414544), (62, 320495600), (80, 248384090), (100, 198707272), (124, 160247800), (155, 128198240), (160, 124192045), (200, 99353636), (223, 89106400), (248, 80123900), (310, 64099120), (400, 49676818), (446, 44553200), (496, 40061950), (620, 32049560), (775, 25639648), (800, 24838409), (892, 22276600), (992, 20030975), (1115, 17821280), (1240, 16024780), (1550, 12819824), (1784, 11138300), (2230, 8910640), (2480, 8012390), (3100, 6409912), (3568, 5569150), (3593, 5530400), (4460, 4455320), (4960, 4006195), (5575, 3564256), (6200, 3204956), (6913, 2874400), (7136, 2784575), (7186, 2765200), (8920, 2227660), (11150, 1782128), (12400, 1602478), (13826, 1437200), (14372, 1382600), (17840, 1113830), (17965, 1106080), (22300, 891064), (24800, 801239), (27652, 718600), (28744, 691300), (34565, 574880), (35680, 556915), (35930, 553040), (44600, 445532), (55304, 359300), (57488, 345650), (69130, 287440), (71860, 276520), (89200, 222766), (89825, 221216), (110608, 179650), (111383, 178400), (114976, 172825), (138260, 143720)]