38220980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 95645088

約数和(自身を除く): 57424108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 907, 980, 1204, 1505, 1814, 2107, 3010, 3628, 4214, 4535, 6020, 6349, 8428, 9070, 10535, 12698, 18140, 21070, 25396, 31745, 39001, 42140, 44443, 63490, 78002, 88886, 126980, 156004, 177772, 195005, 222215, 273007, 390010, 444430, 546014, 780020, 888860, 1092028, 1365035, 1911049, 2730070, 3822098, 5460140, 7644196, 9555245, 19110490, 38220980]

約数ペア:

[(1, 38220980), (2, 19110490), (4, 9555245), (5, 7644196), (7, 5460140), (10, 3822098), (14, 2730070), (20, 1911049), (28, 1365035), (35, 1092028), (43, 888860), (49, 780020), (70, 546014), (86, 444430), (98, 390010), (140, 273007), (172, 222215), (196, 195005), (215, 177772), (245, 156004), (301, 126980), (430, 88886), (490, 78002), (602, 63490), (860, 44443), (907, 42140), (980, 39001), (1204, 31745), (1505, 25396), (1814, 21070), (2107, 18140), (3010, 12698), (3628, 10535), (4214, 9070), (4535, 8428), (6020, 6349)]