403983320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1393

約数の個数: 128

約数和(自身を含む): 1064448000

約数和(自身を除く): 660464680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 620, 760, 806, 988, 1178, 1235, 1240, 1319, 1612, 1976, 2015, 2356, 2470, 2638, 2945, 3224, 4030, 4712, 4940, 5276, 5890, 6595, 7657, 8060, 9880, 10552, 11780, 13190, 15314, 16120, 17147, 23560, 25061, 26380, 30628, 34294, 38285, 40889, 50122, 52760, 61256, 68588, 76570, 81778, 85735, 100244, 125305, 137176, 153140, 163556, 171470, 200488, 204445, 250610, 306280, 325793, 327112, 342940, 408890, 501220, 531557, 651586, 685880, 776891, 817780, 1002440, 1063114, 1303172, 1553782, 1628965, 1635560, 2126228, 2606344, 2657785, 3107564, 3257930, 3884455, 4252456, 5315570, 6215128, 6515860, 7768910, 10099583, 10631140, 13031720, 15537820, 20199166, 21262280, 31075640, 40398332, 50497915, 80796664, 100995830, 201991660, 403983320]

約数ペア:

[(1, 403983320), (2, 201991660), (4, 100995830), (5, 80796664), (8, 50497915), (10, 40398332), (13, 31075640), (19, 21262280), (20, 20199166), (26, 15537820), (31, 13031720), (38, 10631140), (40, 10099583), (52, 7768910), (62, 6515860), (65, 6215128), (76, 5315570), (95, 4252456), (104, 3884455), (124, 3257930), (130, 3107564), (152, 2657785), (155, 2606344), (190, 2126228), (247, 1635560), (248, 1628965), (260, 1553782), (310, 1303172), (380, 1063114), (403, 1002440), (494, 817780), (520, 776891), (589, 685880), (620, 651586), (760, 531557), (806, 501220), (988, 408890), (1178, 342940), (1235, 327112), (1240, 325793), (1319, 306280), (1612, 250610), (1976, 204445), (2015, 200488), (2356, 171470), (2470, 163556), (2638, 153140), (2945, 137176), (3224, 125305), (4030, 100244), (4712, 85735), (4940, 81778), (5276, 76570), (5890, 68588), (6595, 61256), (7657, 52760), (8060, 50122), (9880, 40889), (10552, 38285), (11780, 34294), (13190, 30628), (15314, 26380), (16120, 25061), (17147, 23560)]