71975800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 199987200

約数和(自身を除く): 128011400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 31, 38, 40, 47, 50, 52, 62, 65, 76, 94, 95, 100, 104, 124, 130, 152, 155, 188, 190, 200, 235, 247, 248, 260, 310, 325, 376, 380, 403, 470, 475, 494, 520, 589, 611, 620, 650, 760, 775, 806, 893, 940, 950, 988, 1175, 1178, 1222, 1235, 1240, 1300, 1457, 1550, 1612, 1786, 1880, 1900, 1976, 2015, 2350, 2356, 2444, 2470, 2600, 2914, 2945, 3055, 3100, 3224, 3572, 3800, 4030, 4465, 4700, 4712, 4888, 4940, 5828, 5890, 6110, 6175, 6200, 7144, 7285, 7657, 8060, 8930, 9400, 9880, 10075, 11609, 11656, 11780, 12220, 12350, 14570, 14725, 15275, 15314, 16120, 17860, 18941, 20150, 22325, 23218, 23560, 24440, 24700, 27683, 29140, 29450, 30550, 30628, 35720, 36425, 37882, 38285, 40300, 44650, 46436, 49400, 55366, 58045, 58280, 58900, 61100, 61256, 72850, 75764, 76570, 80600, 89300, 92872, 94705, 110732, 116090, 117800, 122200, 138415, 145700, 151528, 153140, 178600, 189410, 191425, 221464, 232180, 276830, 290225, 291400, 306280, 359879, 378820, 382850, 464360, 473525, 553660, 580450, 692075, 719758, 757640, 765700, 947050, 1107320, 1160900, 1384150, 1439516, 1531400, 1799395, 1894100, 2321800, 2768300, 2879032, 3598790, 3788200, 5536600, 7197580, 8996975, 14395160, 17993950, 35987900, 71975800]

約数ペア:

[(1, 71975800), (2, 35987900), (4, 17993950), (5, 14395160), (8, 8996975), (10, 7197580), (13, 5536600), (19, 3788200), (20, 3598790), (25, 2879032), (26, 2768300), (31, 2321800), (38, 1894100), (40, 1799395), (47, 1531400), (50, 1439516), (52, 1384150), (62, 1160900), (65, 1107320), (76, 947050), (94, 765700), (95, 757640), (100, 719758), (104, 692075), (124, 580450), (130, 553660), (152, 473525), (155, 464360), (188, 382850), (190, 378820), (200, 359879), (235, 306280), (247, 291400), (248, 290225), (260, 276830), (310, 232180), (325, 221464), (376, 191425), (380, 189410), (403, 178600), (470, 153140), (475, 151528), (494, 145700), (520, 138415), (589, 122200), (611, 117800), (620, 116090), (650, 110732), (760, 94705), (775, 92872), (806, 89300), (893, 80600), (940, 76570), (950, 75764), (988, 72850), (1175, 61256), (1178, 61100), (1222, 58900), (1235, 58280), (1240, 58045), (1300, 55366), (1457, 49400), (1550, 46436), (1612, 44650), (1786, 40300), (1880, 38285), (1900, 37882), (1976, 36425), (2015, 35720), (2350, 30628), (2356, 30550), (2444, 29450), (2470, 29140), (2600, 27683), (2914, 24700), (2945, 24440), (3055, 23560), (3100, 23218), (3224, 22325), (3572, 20150), (3800, 18941), (4030, 17860), (4465, 16120), (4700, 15314), (4712, 15275), (4888, 14725), (4940, 14570), (5828, 12350), (5890, 12220), (6110, 11780), (6175, 11656), (6200, 11609), (7144, 10075), (7285, 9880), (7657, 9400), (8060, 8930)]