391918915160

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1097}}^1\times {\mathrm{33203}}^1$

素因数の和:34580

約数の個数: 64

約数和(自身を含む): 885929205600

約数和(自身を除く): 494010290440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1097, 1345, 2152, 2194, 2690, 4388, 5380, 5485, 8776, 10760, 10970, 21940, 33203, 43880, 66406, 132812, 166015, 265624, 295093, 332030, 590186, 664060, 1180372, 1328120, 1475465, 2360744, 2950930, 5901860, 8931607, 11803720, 17863214, 35726428, 36423691, 44658035, 71452856, 72847382, 89316070, 145694764, 178632140, 182118455, 291389528, 357264280, 364236910, 728473820, 1456947640, 9797972879, 19595945758, 39191891516, 48989864395, 78383783032, 97979728790, 195959457580, 391918915160]

約数ペア:

[(1, 391918915160), (2, 195959457580), (4, 97979728790), (5, 78383783032), (8, 48989864395), (10, 39191891516), (20, 19595945758), (40, 9797972879), (269, 1456947640), (538, 728473820), (1076, 364236910), (1097, 357264280), (1345, 291389528), (2152, 182118455), (2194, 178632140), (2690, 145694764), (4388, 89316070), (5380, 72847382), (5485, 71452856), (8776, 44658035), (10760, 36423691), (10970, 35726428), (21940, 17863214), (33203, 11803720), (43880, 8931607), (66406, 5901860), (132812, 2950930), (166015, 2360744), (265624, 1475465), (295093, 1328120), (332030, 1180372), (590186, 664060)]