161804039740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{30649}}^1\times {\mathrm{5387}}^1$

素因数の和:36059

約数の個数: 72

約数和(自身を含む): 395350426800

約数和(自身を除く): 233546387060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 5387, 10774, 21548, 26935, 30649, 37709, 53870, 61298, 75418, 107740, 122596, 150836, 153245, 188545, 214543, 263963, 306490, 377090, 429086, 527926, 612980, 754180, 858172, 1055852, 1072715, 1319815, 1501801, 2145430, 2639630, 3003602, 4290860, 5279260, 6007204, 7509005, 15018010, 30036020, 165106163, 330212326, 660424652, 825530815, 1155743141, 1651061630, 2311486282, 3302123260, 4622972564, 5778715705, 8090201987, 11557431410, 16180403974, 23114862820, 32360807948, 40451009935, 80902019870, 161804039740]

約数ペア:

[(1, 161804039740), (2, 80902019870), (4, 40451009935), (5, 32360807948), (7, 23114862820), (10, 16180403974), (14, 11557431410), (20, 8090201987), (28, 5778715705), (35, 4622972564), (49, 3302123260), (70, 2311486282), (98, 1651061630), (140, 1155743141), (196, 825530815), (245, 660424652), (490, 330212326), (980, 165106163), (5387, 30036020), (10774, 15018010), (21548, 7509005), (26935, 6007204), (30649, 5279260), (37709, 4290860), (53870, 3003602), (61298, 2639630), (75418, 2145430), (107740, 1501801), (122596, 1319815), (150836, 1072715), (153245, 1055852), (188545, 858172), (214543, 754180), (263963, 612980), (306490, 527926), (377090, 429086)]