29190220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 66890880

約数和(自身を除く): 37700660

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 89, 92, 115, 124, 155, 178, 230, 310, 356, 445, 460, 529, 620, 713, 890, 1058, 1426, 1780, 2047, 2116, 2645, 2759, 2852, 3565, 4094, 5290, 5518, 7130, 8188, 10235, 10580, 11036, 13795, 14260, 16399, 20470, 27590, 32798, 40940, 47081, 55180, 63457, 65596, 81995, 94162, 126914, 163990, 188324, 235405, 253828, 317285, 327980, 470810, 634570, 941620, 1269140, 1459511, 2919022, 5838044, 7297555, 14595110, 29190220]

約数ペア:

[(1, 29190220), (2, 14595110), (4, 7297555), (5, 5838044), (10, 2919022), (20, 1459511), (23, 1269140), (31, 941620), (46, 634570), (62, 470810), (89, 327980), (92, 317285), (115, 253828), (124, 235405), (155, 188324), (178, 163990), (230, 126914), (310, 94162), (356, 81995), (445, 65596), (460, 63457), (529, 55180), (620, 47081), (713, 40940), (890, 32798), (1058, 27590), (1426, 20470), (1780, 16399), (2047, 14260), (2116, 13795), (2645, 11036), (2759, 10580), (2852, 10235), (3565, 8188), (4094, 7130), (5290, 5518)]