215376590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7927}}^1$

素因数の和:7977

約数の個数: 64

約数和(自身を含む): 479485440

約数和(自身を除く): 264108850

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 2090, 2470, 2717, 5434, 7927, 13585, 15854, 27170, 39635, 79270, 87197, 103051, 150613, 174394, 206102, 301226, 435985, 515255, 753065, 871970, 1030510, 1133561, 1506130, 1656743, 1957969, 2267122, 3313486, 3915938, 5667805, 8283715, 9789845, 11335610, 16567430, 19579690, 21537659, 43075318, 107688295, 215376590]

約数ペア:

[(1, 215376590), (2, 107688295), (5, 43075318), (10, 21537659), (11, 19579690), (13, 16567430), (19, 11335610), (22, 9789845), (26, 8283715), (38, 5667805), (55, 3915938), (65, 3313486), (95, 2267122), (110, 1957969), (130, 1656743), (143, 1506130), (190, 1133561), (209, 1030510), (247, 871970), (286, 753065), (418, 515255), (494, 435985), (715, 301226), (1045, 206102), (1235, 174394), (1430, 150613), (2090, 103051), (2470, 87197), (2717, 79270), (5434, 39635), (7927, 27170), (13585, 15854)]