204428910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 128

約数和(自身を含む): 598938624

約数和(自身を除く): 394509714

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 173, 210, 238, 255, 331, 346, 357, 510, 519, 595, 662, 714, 865, 993, 1038, 1190, 1211, 1655, 1730, 1785, 1986, 2317, 2422, 2595, 2941, 3310, 3570, 3633, 4634, 4965, 5190, 5627, 5882, 6055, 6951, 7266, 8823, 9930, 11254, 11585, 12110, 13902, 14705, 16881, 17646, 18165, 20587, 23170, 28135, 29410, 33762, 34755, 36330, 39389, 41174, 44115, 56270, 57263, 61761, 69510, 78778, 84405, 88230, 102935, 114526, 118167, 123522, 168810, 171789, 196945, 205870, 236334, 286315, 308805, 343578, 393890, 400841, 572630, 590835, 617610, 801682, 858945, 973471, 1181670, 1202523, 1717890, 1946942, 2004205, 2405046, 2920413, 4008410, 4867355, 5840826, 6012615, 6814297, 9734710, 12025230, 13628594, 14602065, 20442891, 29204130, 34071485, 40885782, 68142970, 102214455, 204428910]

約数ペア:

[(1, 204428910), (2, 102214455), (3, 68142970), (5, 40885782), (6, 34071485), (7, 29204130), (10, 20442891), (14, 14602065), (15, 13628594), (17, 12025230), (21, 9734710), (30, 6814297), (34, 6012615), (35, 5840826), (42, 4867355), (51, 4008410), (70, 2920413), (85, 2405046), (102, 2004205), (105, 1946942), (119, 1717890), (170, 1202523), (173, 1181670), (210, 973471), (238, 858945), (255, 801682), (331, 617610), (346, 590835), (357, 572630), (510, 400841), (519, 393890), (595, 343578), (662, 308805), (714, 286315), (865, 236334), (993, 205870), (1038, 196945), (1190, 171789), (1211, 168810), (1655, 123522), (1730, 118167), (1785, 114526), (1986, 102935), (2317, 88230), (2422, 84405), (2595, 78778), (2941, 69510), (3310, 61761), (3570, 57263), (3633, 56270), (4634, 44115), (4965, 41174), (5190, 39389), (5627, 36330), (5882, 34755), (6055, 33762), (6951, 29410), (7266, 28135), (8823, 23170), (9930, 20587), (11254, 18165), (11585, 17646), (12110, 16881), (13902, 14705)]