77698790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 160876800

約数和(自身を除く): 83178010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 83, 95, 130, 166, 190, 247, 379, 415, 494, 758, 830, 1079, 1235, 1577, 1895, 2158, 2470, 3154, 3790, 4927, 5395, 7201, 7885, 9854, 10790, 14402, 15770, 20501, 24635, 31457, 36005, 41002, 49270, 62914, 72010, 93613, 102505, 157285, 187226, 205010, 314570, 408941, 468065, 597683, 817882, 936130, 1195366, 2044705, 2988415, 4089410, 5976830, 7769879, 15539758, 38849395, 77698790]

約数ペア:

[(1, 77698790), (2, 38849395), (5, 15539758), (10, 7769879), (13, 5976830), (19, 4089410), (26, 2988415), (38, 2044705), (65, 1195366), (83, 936130), (95, 817882), (130, 597683), (166, 468065), (190, 408941), (247, 314570), (379, 205010), (415, 187226), (494, 157285), (758, 102505), (830, 93613), (1079, 72010), (1235, 62914), (1577, 49270), (1895, 41002), (2158, 36005), (2470, 31457), (3154, 24635), (3790, 20501), (4927, 15770), (5395, 14402), (7201, 10790), (7885, 9854)]