919400850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:673

約数の個数: 144

約数和(自身を含む): 2595887424

約数和(自身を除く): 1676486574

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 211, 225, 230, 345, 414, 421, 422, 450, 575, 633, 690, 842, 1035, 1055, 1150, 1263, 1266, 1725, 1899, 2070, 2105, 2110, 2526, 3165, 3450, 3789, 3798, 4210, 4853, 5175, 5275, 6315, 6330, 7578, 9495, 9683, 9706, 10350, 10525, 10550, 12630, 14559, 15825, 18945, 18990, 19366, 21050, 24265, 29049, 29118, 31575, 31650, 37890, 43677, 47475, 48415, 48530, 58098, 63150, 72795, 87147, 87354, 88831, 94725, 94950, 96830, 121325, 145245, 145590, 174294, 177662, 189450, 218385, 242075, 242650, 266493, 290490, 363975, 435735, 436770, 444155, 484150, 532986, 726225, 727950, 799479, 871470, 888310, 1091925, 1332465, 1452450, 1598958, 2043113, 2178675, 2183850, 2220775, 2664930, 3997395, 4086226, 4357350, 4441550, 6129339, 6662325, 7994790, 10215565, 12258678, 13324650, 18388017, 19986975, 20431130, 30646695, 36776034, 39973950, 51077825, 61293390, 91940085, 102155650, 153233475, 183880170, 306466950, 459700425, 919400850]

約数ペア:

[(1, 919400850), (2, 459700425), (3, 306466950), (5, 183880170), (6, 153233475), (9, 102155650), (10, 91940085), (15, 61293390), (18, 51077825), (23, 39973950), (25, 36776034), (30, 30646695), (45, 20431130), (46, 19986975), (50, 18388017), (69, 13324650), (75, 12258678), (90, 10215565), (115, 7994790), (138, 6662325), (150, 6129339), (207, 4441550), (211, 4357350), (225, 4086226), (230, 3997395), (345, 2664930), (414, 2220775), (421, 2183850), (422, 2178675), (450, 2043113), (575, 1598958), (633, 1452450), (690, 1332465), (842, 1091925), (1035, 888310), (1055, 871470), (1150, 799479), (1263, 727950), (1266, 726225), (1725, 532986), (1899, 484150), (2070, 444155), (2105, 436770), (2110, 435735), (2526, 363975), (3165, 290490), (3450, 266493), (3789, 242650), (3798, 242075), (4210, 218385), (4853, 189450), (5175, 177662), (5275, 174294), (6315, 145590), (6330, 145245), (7578, 121325), (9495, 96830), (9683, 94950), (9706, 94725), (10350, 88831), (10525, 87354), (10550, 87147), (12630, 72795), (14559, 63150), (15825, 58098), (18945, 48530), (18990, 48415), (19366, 47475), (21050, 43677), (24265, 37890), (29049, 31650), (29118, 31575)]