88911100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 219985920

約数和(自身を除く): 131074820

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 31, 43, 46, 50, 58, 62, 86, 92, 100, 115, 116, 124, 145, 155, 172, 215, 230, 290, 310, 430, 460, 575, 580, 620, 667, 713, 725, 775, 860, 899, 989, 1075, 1150, 1247, 1333, 1334, 1426, 1450, 1550, 1798, 1978, 2150, 2300, 2494, 2666, 2668, 2852, 2900, 3100, 3335, 3565, 3596, 3956, 4300, 4495, 4945, 4988, 5332, 6235, 6665, 6670, 7130, 8990, 9890, 12470, 13330, 13340, 14260, 16675, 17825, 17980, 19780, 20677, 22475, 24725, 24940, 26660, 28681, 30659, 31175, 33325, 33350, 35650, 38657, 41354, 44950, 49450, 57362, 61318, 62350, 66650, 66700, 71300, 77314, 82708, 89900, 98900, 103385, 114724, 122636, 124700, 133300, 143405, 153295, 154628, 193285, 206770, 286810, 306590, 386570, 413540, 516925, 573620, 613180, 717025, 766475, 773140, 889111, 966425, 1033850, 1434050, 1532950, 1778222, 1932850, 2067700, 2868100, 3065900, 3556444, 3865700, 4445555, 8891110, 17782220, 22227775, 44455550, 88911100]

約数ペア:

[(1, 88911100), (2, 44455550), (4, 22227775), (5, 17782220), (10, 8891110), (20, 4445555), (23, 3865700), (25, 3556444), (29, 3065900), (31, 2868100), (43, 2067700), (46, 1932850), (50, 1778222), (58, 1532950), (62, 1434050), (86, 1033850), (92, 966425), (100, 889111), (115, 773140), (116, 766475), (124, 717025), (145, 613180), (155, 573620), (172, 516925), (215, 413540), (230, 386570), (290, 306590), (310, 286810), (430, 206770), (460, 193285), (575, 154628), (580, 153295), (620, 143405), (667, 133300), (713, 124700), (725, 122636), (775, 114724), (860, 103385), (899, 98900), (989, 89900), (1075, 82708), (1150, 77314), (1247, 71300), (1333, 66700), (1334, 66650), (1426, 62350), (1450, 61318), (1550, 57362), (1798, 49450), (1978, 44950), (2150, 41354), (2300, 38657), (2494, 35650), (2666, 33350), (2668, 33325), (2852, 31175), (2900, 30659), (3100, 28681), (3335, 26660), (3565, 24940), (3596, 24725), (3956, 22475), (4300, 20677), (4495, 19780), (4945, 17980), (4988, 17825), (5332, 16675), (6235, 14260), (6665, 13340), (6670, 13330), (7130, 12470), (8990, 9890)]