156980959900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{160201}}^1$

素因数の和:160495

約数の個数: 72

約数和(自身を含む): 350419446720

約数和(自身を除く): 193438486820

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 239, 410, 478, 820, 956, 1025, 1195, 2050, 2390, 4100, 4780, 5975, 9799, 11950, 19598, 23900, 39196, 48995, 97990, 160201, 195980, 244975, 320402, 489950, 640804, 801005, 979900, 1602010, 3204020, 4005025, 6568241, 8010050, 13136482, 16020100, 26272964, 32841205, 38288039, 65682410, 76576078, 131364820, 153152156, 164206025, 191440195, 328412050, 382880390, 656824100, 765760780, 957200975, 1569809599, 1914401950, 3139619198, 3828803900, 6279238396, 7849047995, 15698095990, 31396191980, 39245239975, 78490479950, 156980959900]

約数ペア:

[(1, 156980959900), (2, 78490479950), (4, 39245239975), (5, 31396191980), (10, 15698095990), (20, 7849047995), (25, 6279238396), (41, 3828803900), (50, 3139619198), (82, 1914401950), (100, 1569809599), (164, 957200975), (205, 765760780), (239, 656824100), (410, 382880390), (478, 328412050), (820, 191440195), (956, 164206025), (1025, 153152156), (1195, 131364820), (2050, 76576078), (2390, 65682410), (4100, 38288039), (4780, 32841205), (5975, 26272964), (9799, 16020100), (11950, 13136482), (19598, 8010050), (23900, 6568241), (39196, 4005025), (48995, 3204020), (97990, 1602010), (160201, 979900), (195980, 801005), (244975, 640804), (320402, 489950)]