154613380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 344419992

約数和(自身を除く): 189806612

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 113, 148, 172, 185, 215, 226, 370, 430, 452, 565, 740, 860, 1130, 1591, 1849, 2260, 3182, 3698, 4181, 4859, 6364, 7396, 7955, 8362, 9245, 9718, 15910, 16724, 18490, 19436, 20905, 24295, 31820, 36980, 41810, 48590, 68413, 83620, 97180, 136826, 179783, 208937, 273652, 342065, 359566, 417874, 684130, 719132, 835748, 898915, 1044685, 1368260, 1797830, 2089370, 3595660, 4178740, 7730669, 15461338, 30922676, 38653345, 77306690, 154613380]

約数ペア:

[(1, 154613380), (2, 77306690), (4, 38653345), (5, 30922676), (10, 15461338), (20, 7730669), (37, 4178740), (43, 3595660), (74, 2089370), (86, 1797830), (113, 1368260), (148, 1044685), (172, 898915), (185, 835748), (215, 719132), (226, 684130), (370, 417874), (430, 359566), (452, 342065), (565, 273652), (740, 208937), (860, 179783), (1130, 136826), (1591, 97180), (1849, 83620), (2260, 68413), (3182, 48590), (3698, 41810), (4181, 36980), (4859, 31820), (6364, 24295), (7396, 20905), (7955, 19436), (8362, 18490), (9245, 16724), (9718, 15910)]