400501400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4969}}^1$

素因数の和:5029

約数の個数: 96

約数和(自身を含む): 1035350400

約数和(自身を除く): 634849000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 403, 520, 620, 650, 775, 806, 1240, 1300, 1550, 1612, 2015, 2600, 3100, 3224, 4030, 4969, 6200, 8060, 9938, 10075, 16120, 19876, 20150, 24845, 39752, 40300, 49690, 64597, 80600, 99380, 124225, 129194, 154039, 198760, 248450, 258388, 308078, 322985, 496900, 516776, 616156, 645970, 770195, 993800, 1232312, 1291940, 1540390, 1614925, 2002507, 2583880, 3080780, 3229850, 3850975, 4005014, 6161560, 6459700, 7701950, 8010028, 10012535, 12919400, 15403900, 16020056, 20025070, 30807800, 40050140, 50062675, 80100280, 100125350, 200250700, 400501400]

約数ペア:

[(1, 400501400), (2, 200250700), (4, 100125350), (5, 80100280), (8, 50062675), (10, 40050140), (13, 30807800), (20, 20025070), (25, 16020056), (26, 15403900), (31, 12919400), (40, 10012535), (50, 8010028), (52, 7701950), (62, 6459700), (65, 6161560), (100, 4005014), (104, 3850975), (124, 3229850), (130, 3080780), (155, 2583880), (200, 2002507), (248, 1614925), (260, 1540390), (310, 1291940), (325, 1232312), (403, 993800), (520, 770195), (620, 645970), (650, 616156), (775, 516776), (806, 496900), (1240, 322985), (1300, 308078), (1550, 258388), (1612, 248450), (2015, 198760), (2600, 154039), (3100, 129194), (3224, 124225), (4030, 99380), (4969, 80600), (6200, 64597), (8060, 49690), (9938, 40300), (10075, 39752), (16120, 24845), (19876, 20150)]