390411900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 180

約数和(自身を含む): 1277770648

約数和(自身を除く): 887358748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 157, 162, 180, 225, 270, 300, 307, 314, 324, 405, 450, 471, 540, 614, 628, 675, 785, 810, 900, 921, 942, 1228, 1350, 1413, 1535, 1570, 1620, 1842, 1884, 2025, 2355, 2700, 2763, 2826, 3070, 3140, 3684, 3925, 4050, 4239, 4605, 4710, 5526, 5652, 6140, 7065, 7675, 7850, 8100, 8289, 8478, 9210, 9420, 11052, 11775, 12717, 13815, 14130, 15350, 15700, 16578, 16956, 18420, 21195, 23025, 23550, 24867, 25434, 27630, 28260, 30700, 33156, 35325, 41445, 42390, 46050, 47100, 48199, 49734, 50868, 55260, 63585, 69075, 70650, 82890, 84780, 92100, 96398, 99468, 105975, 124335, 127170, 138150, 141300, 144597, 165780, 192796, 207225, 211950, 240995, 248670, 254340, 276300, 289194, 317925, 414450, 423900, 433791, 481990, 497340, 578388, 621675, 635850, 722985, 828900, 867582, 963980, 1204975, 1243350, 1271700, 1301373, 1445970, 1735164, 2168955, 2409950, 2486700, 2602746, 2891940, 3614925, 3904119, 4337910, 4819900, 5205492, 6506865, 7229850, 7808238, 8675820, 10844775, 13013730, 14459700, 15616476, 19520595, 21689550, 26027460, 32534325, 39041190, 43379100, 65068650, 78082380, 97602975, 130137300, 195205950, 390411900]

約数ペア:

[(1, 390411900), (2, 195205950), (3, 130137300), (4, 97602975), (5, 78082380), (6, 65068650), (9, 43379100), (10, 39041190), (12, 32534325), (15, 26027460), (18, 21689550), (20, 19520595), (25, 15616476), (27, 14459700), (30, 13013730), (36, 10844775), (45, 8675820), (50, 7808238), (54, 7229850), (60, 6506865), (75, 5205492), (81, 4819900), (90, 4337910), (100, 3904119), (108, 3614925), (135, 2891940), (150, 2602746), (157, 2486700), (162, 2409950), (180, 2168955), (225, 1735164), (270, 1445970), (300, 1301373), (307, 1271700), (314, 1243350), (324, 1204975), (405, 963980), (450, 867582), (471, 828900), (540, 722985), (614, 635850), (628, 621675), (675, 578388), (785, 497340), (810, 481990), (900, 433791), (921, 423900), (942, 414450), (1228, 317925), (1350, 289194), (1413, 276300), (1535, 254340), (1570, 248670), (1620, 240995), (1842, 211950), (1884, 207225), (2025, 192796), (2355, 165780), (2700, 144597), (2763, 141300), (2826, 138150), (3070, 127170), (3140, 124335), (3684, 105975), (3925, 99468), (4050, 96398), (4239, 92100), (4605, 84780), (4710, 82890), (5526, 70650), (5652, 69075), (6140, 63585), (7065, 55260), (7675, 50868), (7850, 49734), (8100, 48199), (8289, 47100), (8478, 46050), (9210, 42390), (9420, 41445), (11052, 35325), (11775, 33156), (12717, 30700), (13815, 28260), (14130, 27630), (15350, 25434), (15700, 24867), (16578, 23550), (16956, 23025), (18420, 21195)]