400278300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 1210339200

約数和(自身を除く): 810060900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 139, 145, 150, 174, 278, 290, 300, 331, 348, 417, 435, 556, 580, 662, 695, 725, 834, 870, 993, 1324, 1390, 1450, 1655, 1668, 1740, 1986, 2085, 2175, 2780, 2900, 3310, 3475, 3972, 4031, 4170, 4350, 4965, 6620, 6950, 8062, 8275, 8340, 8700, 9599, 9930, 10425, 12093, 13900, 16124, 16550, 19198, 19860, 20155, 20850, 24186, 24825, 28797, 33100, 38396, 40310, 41700, 46009, 47995, 48372, 49650, 57594, 60465, 80620, 92018, 95990, 99300, 100775, 115188, 120930, 138027, 143985, 184036, 191980, 201550, 230045, 239975, 241860, 276054, 287970, 302325, 403100, 460090, 479950, 552108, 575940, 604650, 690135, 719925, 920180, 959900, 1150225, 1209300, 1334261, 1380270, 1439850, 2300450, 2668522, 2760540, 2879700, 3450675, 4002783, 4600900, 5337044, 6671305, 6901350, 8005566, 13342610, 13802700, 16011132, 20013915, 26685220, 33356525, 40027830, 66713050, 80055660, 100069575, 133426100, 200139150, 400278300]

約数ペア:

[(1, 400278300), (2, 200139150), (3, 133426100), (4, 100069575), (5, 80055660), (6, 66713050), (10, 40027830), (12, 33356525), (15, 26685220), (20, 20013915), (25, 16011132), (29, 13802700), (30, 13342610), (50, 8005566), (58, 6901350), (60, 6671305), (75, 5337044), (87, 4600900), (100, 4002783), (116, 3450675), (139, 2879700), (145, 2760540), (150, 2668522), (174, 2300450), (278, 1439850), (290, 1380270), (300, 1334261), (331, 1209300), (348, 1150225), (417, 959900), (435, 920180), (556, 719925), (580, 690135), (662, 604650), (695, 575940), (725, 552108), (834, 479950), (870, 460090), (993, 403100), (1324, 302325), (1390, 287970), (1450, 276054), (1655, 241860), (1668, 239975), (1740, 230045), (1986, 201550), (2085, 191980), (2175, 184036), (2780, 143985), (2900, 138027), (3310, 120930), (3475, 115188), (3972, 100775), (4031, 99300), (4170, 95990), (4350, 92018), (4965, 80620), (6620, 60465), (6950, 57594), (8062, 49650), (8275, 48372), (8340, 47995), (8700, 46009), (9599, 41700), (9930, 40310), (10425, 38396), (12093, 33100), (13900, 28797), (16124, 24825), (16550, 24186), (19198, 20850), (19860, 20155)]