388488750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{613}}^1$

素因数の和:664

約数の個数: 120

約数和(自身を含む): 1053056664

約数和(自身を除く): 664567914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 169, 195, 250, 325, 338, 375, 390, 507, 613, 625, 650, 750, 845, 975, 1014, 1226, 1250, 1625, 1690, 1839, 1875, 1950, 2535, 3065, 3250, 3678, 3750, 4225, 4875, 5070, 6130, 7969, 8125, 8450, 9195, 9750, 12675, 15325, 15938, 16250, 18390, 21125, 23907, 24375, 25350, 30650, 39845, 42250, 45975, 47814, 48750, 63375, 76625, 79690, 91950, 103597, 105625, 119535, 126750, 153250, 199225, 207194, 211250, 229875, 239070, 310791, 316875, 383125, 398450, 459750, 517985, 597675, 621582, 633750, 766250, 996125, 1035970, 1149375, 1195350, 1553955, 1992250, 2298750, 2589925, 2988375, 3107910, 4980625, 5179850, 5976750, 7769775, 9961250, 12949625, 14941875, 15539550, 25899250, 29883750, 38848875, 64748125, 77697750, 129496250, 194244375, 388488750]

約数ペア:

[(1, 388488750), (2, 194244375), (3, 129496250), (5, 77697750), (6, 64748125), (10, 38848875), (13, 29883750), (15, 25899250), (25, 15539550), (26, 14941875), (30, 12949625), (39, 9961250), (50, 7769775), (65, 5976750), (75, 5179850), (78, 4980625), (125, 3107910), (130, 2988375), (150, 2589925), (169, 2298750), (195, 1992250), (250, 1553955), (325, 1195350), (338, 1149375), (375, 1035970), (390, 996125), (507, 766250), (613, 633750), (625, 621582), (650, 597675), (750, 517985), (845, 459750), (975, 398450), (1014, 383125), (1226, 316875), (1250, 310791), (1625, 239070), (1690, 229875), (1839, 211250), (1875, 207194), (1950, 199225), (2535, 153250), (3065, 126750), (3250, 119535), (3678, 105625), (3750, 103597), (4225, 91950), (4875, 79690), (5070, 76625), (6130, 63375), (7969, 48750), (8125, 47814), (8450, 45975), (9195, 42250), (9750, 39845), (12675, 30650), (15325, 25350), (15938, 24375), (16250, 23907), (18390, 21125)]