378480860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 878169600

約数和(自身を除く): 499688740

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 149, 155, 170, 241, 298, 310, 340, 482, 527, 596, 620, 745, 964, 1054, 1205, 1490, 2108, 2410, 2533, 2635, 2980, 4097, 4619, 4820, 5066, 5270, 7471, 8194, 9238, 10132, 10540, 12665, 14942, 16388, 18476, 20485, 23095, 25330, 29884, 35909, 37355, 40970, 46190, 50660, 71818, 74710, 78523, 81940, 92380, 127007, 143636, 149420, 157046, 179545, 254014, 314092, 359090, 392615, 508028, 610453, 635035, 718180, 785230, 1113179, 1220906, 1270070, 1570460, 2226358, 2441812, 2540140, 3052265, 4452716, 5565895, 6104530, 11131790, 12209060, 18924043, 22263580, 37848086, 75696172, 94620215, 189240430, 378480860]

約数ペア:

[(1, 378480860), (2, 189240430), (4, 94620215), (5, 75696172), (10, 37848086), (17, 22263580), (20, 18924043), (31, 12209060), (34, 11131790), (62, 6104530), (68, 5565895), (85, 4452716), (124, 3052265), (149, 2540140), (155, 2441812), (170, 2226358), (241, 1570460), (298, 1270070), (310, 1220906), (340, 1113179), (482, 785230), (527, 718180), (596, 635035), (620, 610453), (745, 508028), (964, 392615), (1054, 359090), (1205, 314092), (1490, 254014), (2108, 179545), (2410, 157046), (2533, 149420), (2635, 143636), (2980, 127007), (4097, 92380), (4619, 81940), (4820, 78523), (5066, 74710), (5270, 71818), (7471, 50660), (8194, 46190), (9238, 40970), (10132, 37355), (10540, 35909), (12665, 29884), (14942, 25330), (16388, 23095), (18476, 20485)]