30191728

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 71941824

約数和(自身を除く): 41750096

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 101, 112, 119, 136, 157, 202, 238, 272, 314, 404, 476, 628, 707, 808, 952, 1099, 1256, 1414, 1616, 1717, 1904, 2198, 2512, 2669, 2828, 3434, 4396, 5338, 5656, 6868, 8792, 10676, 11312, 12019, 13736, 15857, 17584, 18683, 21352, 24038, 27472, 31714, 37366, 42704, 48076, 63428, 74732, 96152, 110999, 126856, 149464, 192304, 221998, 253712, 269569, 298928, 443996, 539138, 887992, 1078276, 1775984, 1886983, 2156552, 3773966, 4313104, 7547932, 15095864, 30191728]

約数ペア:

[(1, 30191728), (2, 15095864), (4, 7547932), (7, 4313104), (8, 3773966), (14, 2156552), (16, 1886983), (17, 1775984), (28, 1078276), (34, 887992), (56, 539138), (68, 443996), (101, 298928), (112, 269569), (119, 253712), (136, 221998), (157, 192304), (202, 149464), (238, 126856), (272, 110999), (314, 96152), (404, 74732), (476, 63428), (628, 48076), (707, 42704), (808, 37366), (952, 31714), (1099, 27472), (1256, 24038), (1414, 21352), (1616, 18683), (1717, 17584), (1904, 15857), (2198, 13736), (2512, 12019), (2669, 11312), (2828, 10676), (3434, 8792), (4396, 6868), (5338, 5656)]