447215920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9491}}^1$

素因数の和:9554

約数の個数: 80

約数和(自身を含む): 1129927680

約数和(自身を除く): 682711760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 9491, 11780, 18982, 23560, 37964, 47120, 47455, 75928, 94910, 151856, 180329, 189820, 294221, 360658, 379640, 588442, 721316, 759280, 901645, 1176884, 1442632, 1471105, 1803290, 2353768, 2885264, 2942210, 3606580, 4707536, 5590199, 5884420, 7213160, 11180398, 11768840, 14426320, 22360796, 23537680, 27950995, 44721592, 55901990, 89443184, 111803980, 223607960, 447215920]

約数ペア:

[(1, 447215920), (2, 223607960), (4, 111803980), (5, 89443184), (8, 55901990), (10, 44721592), (16, 27950995), (19, 23537680), (20, 22360796), (31, 14426320), (38, 11768840), (40, 11180398), (62, 7213160), (76, 5884420), (80, 5590199), (95, 4707536), (124, 3606580), (152, 2942210), (155, 2885264), (190, 2353768), (248, 1803290), (304, 1471105), (310, 1442632), (380, 1176884), (496, 901645), (589, 759280), (620, 721316), (760, 588442), (1178, 379640), (1240, 360658), (1520, 294221), (2356, 189820), (2480, 180329), (2945, 151856), (4712, 94910), (5890, 75928), (9424, 47455), (9491, 47120), (11780, 37964), (18982, 23560)]