28679700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{1951}}^1$

素因数の和:1982

約数の個数: 108

約数和(自身を含む): 96577152

約数和(自身を除く): 67897452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 1951, 2100, 2450, 2940, 3675, 3902, 4900, 5853, 7350, 7804, 9755, 11706, 13657, 14700, 19510, 23412, 27314, 29265, 39020, 40971, 48775, 54628, 58530, 68285, 81942, 95599, 97550, 117060, 136570, 146325, 163884, 191198, 195100, 204855, 273140, 286797, 292650, 341425, 382396, 409710, 477995, 573594, 585300, 682850, 819420, 955990, 1024275, 1147188, 1365700, 1433985, 1911980, 2048550, 2389975, 2867970, 4097100, 4779950, 5735940, 7169925, 9559900, 14339850, 28679700]

約数ペア:

[(1, 28679700), (2, 14339850), (3, 9559900), (4, 7169925), (5, 5735940), (6, 4779950), (7, 4097100), (10, 2867970), (12, 2389975), (14, 2048550), (15, 1911980), (20, 1433985), (21, 1365700), (25, 1147188), (28, 1024275), (30, 955990), (35, 819420), (42, 682850), (49, 585300), (50, 573594), (60, 477995), (70, 409710), (75, 382396), (84, 341425), (98, 292650), (100, 286797), (105, 273140), (140, 204855), (147, 195100), (150, 191198), (175, 163884), (196, 146325), (210, 136570), (245, 117060), (294, 97550), (300, 95599), (350, 81942), (420, 68285), (490, 58530), (525, 54628), (588, 48775), (700, 40971), (735, 39020), (980, 29265), (1050, 27314), (1225, 23412), (1470, 19510), (1951, 14700), (2100, 13657), (2450, 11706), (2940, 9755), (3675, 7804), (3902, 7350), (4900, 5853)]