203458840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20593}}^1$

素因数の和:20636

約数の個数: 64

約数和(自身を含む): 518968800

約数和(自身を除く): 315509960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 20593, 41186, 82372, 102965, 164744, 205930, 267709, 391267, 411860, 535418, 782534, 823720, 1070836, 1338545, 1565068, 1956335, 2141672, 2677090, 3130136, 3912670, 5086471, 5354180, 7825340, 10172942, 10708360, 15650680, 20345884, 25432355, 40691768, 50864710, 101729420, 203458840]

約数ペア:

[(1, 203458840), (2, 101729420), (4, 50864710), (5, 40691768), (8, 25432355), (10, 20345884), (13, 15650680), (19, 10708360), (20, 10172942), (26, 7825340), (38, 5354180), (40, 5086471), (52, 3912670), (65, 3130136), (76, 2677090), (95, 2141672), (104, 1956335), (130, 1565068), (152, 1338545), (190, 1070836), (247, 823720), (260, 782534), (380, 535418), (494, 411860), (520, 391267), (760, 267709), (988, 205930), (1235, 164744), (1976, 102965), (2470, 82372), (4940, 41186), (9880, 20593)]