1807906400

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:721

約数の個数: 144

約数和(自身を含む): 4605174000

約数和(自身を除く): 2797267600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 145, 149, 160, 200, 232, 290, 298, 400, 464, 523, 580, 596, 725, 745, 800, 928, 1046, 1160, 1192, 1450, 1490, 2092, 2320, 2384, 2615, 2900, 2980, 3725, 4184, 4321, 4640, 4768, 5230, 5800, 5960, 7450, 8368, 8642, 10460, 11600, 11920, 13075, 14900, 15167, 16736, 17284, 20920, 21605, 23200, 23840, 26150, 29800, 30334, 34568, 41840, 43210, 52300, 59600, 60668, 69136, 75835, 77927, 83680, 86420, 104600, 108025, 119200, 121336, 138272, 151670, 155854, 172840, 209200, 216050, 242672, 303340, 311708, 345680, 379175, 389635, 418400, 432100, 485344, 606680, 623416, 691360, 758350, 779270, 864200, 1213360, 1246832, 1516700, 1558540, 1728400, 1948175, 2259883, 2426720, 2493664, 3033400, 3117080, 3456800, 3896350, 4519766, 6066800, 6234160, 7792700, 9039532, 11299415, 12133600, 12468320, 15585400, 18079064, 22598830, 31170800, 36158128, 45197660, 56497075, 62341600, 72316256, 90395320, 112994150, 180790640, 225988300, 361581280, 451976600, 903953200, 1807906400]

約数ペア:

[(1, 1807906400), (2, 903953200), (4, 451976600), (5, 361581280), (8, 225988300), (10, 180790640), (16, 112994150), (20, 90395320), (25, 72316256), (29, 62341600), (32, 56497075), (40, 45197660), (50, 36158128), (58, 31170800), (80, 22598830), (100, 18079064), (116, 15585400), (145, 12468320), (149, 12133600), (160, 11299415), (200, 9039532), (232, 7792700), (290, 6234160), (298, 6066800), (400, 4519766), (464, 3896350), (523, 3456800), (580, 3117080), (596, 3033400), (725, 2493664), (745, 2426720), (800, 2259883), (928, 1948175), (1046, 1728400), (1160, 1558540), (1192, 1516700), (1450, 1246832), (1490, 1213360), (2092, 864200), (2320, 779270), (2384, 758350), (2615, 691360), (2900, 623416), (2980, 606680), (3725, 485344), (4184, 432100), (4321, 418400), (4640, 389635), (4768, 379175), (5230, 345680), (5800, 311708), (5960, 303340), (7450, 242672), (8368, 216050), (8642, 209200), (10460, 172840), (11600, 155854), (11920, 151670), (13075, 138272), (14900, 121336), (15167, 119200), (16736, 108025), (17284, 104600), (20920, 86420), (21605, 83680), (23200, 77927), (23840, 75835), (26150, 69136), (29800, 60668), (30334, 59600), (34568, 52300), (41840, 43210)]