405795280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 160

約数和(自身を含む): 1076145408

約数和(自身を除く): 670350128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 103, 110, 121, 148, 176, 185, 206, 220, 242, 296, 370, 407, 412, 440, 484, 515, 592, 605, 740, 814, 824, 880, 968, 1030, 1133, 1210, 1331, 1480, 1628, 1648, 1936, 2035, 2060, 2266, 2420, 2662, 2960, 3256, 3811, 4070, 4120, 4477, 4532, 4840, 5324, 5665, 6512, 6655, 7622, 8140, 8240, 8954, 9064, 9680, 10648, 11330, 12463, 13310, 15244, 16280, 17908, 18128, 19055, 21296, 22385, 22660, 24926, 26620, 30488, 32560, 35816, 38110, 41921, 44770, 45320, 49247, 49852, 53240, 60976, 62315, 71632, 76220, 83842, 89540, 90640, 98494, 99704, 106480, 124630, 137093, 152440, 167684, 179080, 196988, 199408, 209605, 246235, 249260, 274186, 304880, 335368, 358160, 393976, 419210, 461131, 492470, 498520, 548372, 670736, 685465, 787952, 838420, 922262, 984940, 997040, 1096744, 1370930, 1676840, 1844524, 1969880, 2193488, 2305655, 2741860, 3353680, 3689048, 3939760, 4611310, 5072441, 5483720, 7378096, 9222620, 10144882, 10967440, 18445240, 20289764, 25362205, 36890480, 40579528, 50724410, 81159056, 101448820, 202897640, 405795280]

約数ペア:

[(1, 405795280), (2, 202897640), (4, 101448820), (5, 81159056), (8, 50724410), (10, 40579528), (11, 36890480), (16, 25362205), (20, 20289764), (22, 18445240), (37, 10967440), (40, 10144882), (44, 9222620), (55, 7378096), (74, 5483720), (80, 5072441), (88, 4611310), (103, 3939760), (110, 3689048), (121, 3353680), (148, 2741860), (176, 2305655), (185, 2193488), (206, 1969880), (220, 1844524), (242, 1676840), (296, 1370930), (370, 1096744), (407, 997040), (412, 984940), (440, 922262), (484, 838420), (515, 787952), (592, 685465), (605, 670736), (740, 548372), (814, 498520), (824, 492470), (880, 461131), (968, 419210), (1030, 393976), (1133, 358160), (1210, 335368), (1331, 304880), (1480, 274186), (1628, 249260), (1648, 246235), (1936, 209605), (2035, 199408), (2060, 196988), (2266, 179080), (2420, 167684), (2662, 152440), (2960, 137093), (3256, 124630), (3811, 106480), (4070, 99704), (4120, 98494), (4477, 90640), (4532, 89540), (4840, 83842), (5324, 76220), (5665, 71632), (6512, 62315), (6655, 60976), (7622, 53240), (8140, 49852), (8240, 49247), (8954, 45320), (9064, 44770), (9680, 41921), (10648, 38110), (11330, 35816), (12463, 32560), (13310, 30488), (15244, 26620), (16280, 24926), (17908, 22660), (18128, 22385), (19055, 21296)]