396326320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:723

約数の個数: 160

約数和(自身を含む): 1079930880

約数和(自身を除く): 683604560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 380, 403, 494, 496, 520, 589, 620, 647, 760, 806, 988, 1040, 1178, 1235, 1240, 1294, 1520, 1612, 1976, 2015, 2356, 2470, 2480, 2588, 2945, 3224, 3235, 3952, 4030, 4712, 4940, 5176, 5890, 6448, 6470, 7657, 8060, 8411, 9424, 9880, 10352, 11780, 12293, 12940, 15314, 16120, 16822, 19760, 20057, 23560, 24586, 25880, 30628, 32240, 33644, 38285, 40114, 42055, 47120, 49172, 51760, 61256, 61465, 67288, 76570, 80228, 84110, 98344, 100285, 122512, 122930, 134576, 153140, 159809, 160456, 168220, 196688, 200570, 245860, 260741, 306280, 319618, 320912, 336440, 381083, 401140, 491720, 521482, 612560, 639236, 672880, 762166, 799045, 802280, 983440, 1042964, 1278472, 1303705, 1524332, 1598090, 1604560, 1905415, 2085928, 2556944, 2607410, 3048664, 3196180, 3810830, 4171856, 4954079, 5214820, 6097328, 6392360, 7621660, 9908158, 10429640, 12784720, 15243320, 19816316, 20859280, 24770395, 30486640, 39632632, 49540790, 79265264, 99081580, 198163160, 396326320]

約数ペア:

[(1, 396326320), (2, 198163160), (4, 99081580), (5, 79265264), (8, 49540790), (10, 39632632), (13, 30486640), (16, 24770395), (19, 20859280), (20, 19816316), (26, 15243320), (31, 12784720), (38, 10429640), (40, 9908158), (52, 7621660), (62, 6392360), (65, 6097328), (76, 5214820), (80, 4954079), (95, 4171856), (104, 3810830), (124, 3196180), (130, 3048664), (152, 2607410), (155, 2556944), (190, 2085928), (208, 1905415), (247, 1604560), (248, 1598090), (260, 1524332), (304, 1303705), (310, 1278472), (380, 1042964), (403, 983440), (494, 802280), (496, 799045), (520, 762166), (589, 672880), (620, 639236), (647, 612560), (760, 521482), (806, 491720), (988, 401140), (1040, 381083), (1178, 336440), (1235, 320912), (1240, 319618), (1294, 306280), (1520, 260741), (1612, 245860), (1976, 200570), (2015, 196688), (2356, 168220), (2470, 160456), (2480, 159809), (2588, 153140), (2945, 134576), (3224, 122930), (3235, 122512), (3952, 100285), (4030, 98344), (4712, 84110), (4940, 80228), (5176, 76570), (5890, 67288), (6448, 61465), (6470, 61256), (7657, 51760), (8060, 49172), (8411, 47120), (9424, 42055), (9880, 40114), (10352, 38285), (11780, 33644), (12293, 32240), (12940, 30628), (15314, 25880), (16120, 24586), (16822, 23560), (19760, 20057)]