245000750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 479651328

約数和(自身を除く): 234650578

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 101, 125, 155, 202, 250, 310, 313, 505, 626, 775, 1010, 1550, 1565, 2525, 3130, 3131, 3875, 5050, 6262, 7750, 7825, 9703, 12625, 15650, 15655, 19406, 25250, 31310, 31613, 39125, 48515, 63226, 78250, 78275, 97030, 156550, 158065, 242575, 316130, 391375, 485150, 782750, 790325, 980003, 1212875, 1580650, 1960006, 2425750, 3951625, 4900015, 7903250, 9800030, 24500075, 49000150, 122500375, 245000750]

約数ペア:

[(1, 245000750), (2, 122500375), (5, 49000150), (10, 24500075), (25, 9800030), (31, 7903250), (50, 4900015), (62, 3951625), (101, 2425750), (125, 1960006), (155, 1580650), (202, 1212875), (250, 980003), (310, 790325), (313, 782750), (505, 485150), (626, 391375), (775, 316130), (1010, 242575), (1550, 158065), (1565, 156550), (2525, 97030), (3130, 78275), (3131, 78250), (3875, 63226), (5050, 48515), (6262, 39125), (7750, 31613), (7825, 31310), (9703, 25250), (12625, 19406), (15650, 15655)]