381200800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 144

約数和(自身を含む): 1012435200

約数和(自身を除く): 631234400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 160, 190, 200, 248, 304, 310, 380, 400, 475, 496, 589, 608, 620, 760, 775, 800, 809, 950, 992, 1178, 1240, 1520, 1550, 1618, 1900, 2356, 2480, 2945, 3040, 3100, 3236, 3800, 4045, 4712, 4960, 5890, 6200, 6472, 7600, 8090, 9424, 11780, 12400, 12944, 14725, 15200, 15371, 16180, 18848, 20225, 23560, 24800, 25079, 25888, 29450, 30742, 32360, 40450, 47120, 50158, 58900, 61484, 64720, 76855, 80900, 94240, 100316, 117800, 122968, 125395, 129440, 153710, 161800, 200632, 235600, 245936, 250790, 307420, 323600, 384275, 401264, 471200, 476501, 491872, 501580, 614840, 626975, 647200, 768550, 802528, 953002, 1003160, 1229680, 1253950, 1537100, 1906004, 2006320, 2382505, 2459360, 2507900, 3074200, 3812008, 4012640, 4765010, 5015800, 6148400, 7624016, 9530020, 10031600, 11912525, 12296800, 15248032, 19060040, 20063200, 23825050, 38120080, 47650100, 76240160, 95300200, 190600400, 381200800]

約数ペア:

[(1, 381200800), (2, 190600400), (4, 95300200), (5, 76240160), (8, 47650100), (10, 38120080), (16, 23825050), (19, 20063200), (20, 19060040), (25, 15248032), (31, 12296800), (32, 11912525), (38, 10031600), (40, 9530020), (50, 7624016), (62, 6148400), (76, 5015800), (80, 4765010), (95, 4012640), (100, 3812008), (124, 3074200), (152, 2507900), (155, 2459360), (160, 2382505), (190, 2006320), (200, 1906004), (248, 1537100), (304, 1253950), (310, 1229680), (380, 1003160), (400, 953002), (475, 802528), (496, 768550), (589, 647200), (608, 626975), (620, 614840), (760, 501580), (775, 491872), (800, 476501), (809, 471200), (950, 401264), (992, 384275), (1178, 323600), (1240, 307420), (1520, 250790), (1550, 245936), (1618, 235600), (1900, 200632), (2356, 161800), (2480, 153710), (2945, 129440), (3040, 125395), (3100, 122968), (3236, 117800), (3800, 100316), (4045, 94240), (4712, 80900), (4960, 76855), (5890, 64720), (6200, 61484), (6472, 58900), (7600, 50158), (8090, 47120), (9424, 40450), (11780, 32360), (12400, 30742), (12944, 29450), (14725, 25888), (15200, 25079), (15371, 24800), (16180, 23560), (18848, 20225)]