1488893420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{49009}}^1$

素因数の和:49063

約数の個数: 72

約数和(自身を含む): 3754558080

約数和(自身を除く): 2265664660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380, 49009, 98018, 196036, 245045, 343063, 490090, 686126, 980180, 1372252, 1519279, 1715315, 2401441, 3038558, 3430630, 4802882, 6077116, 6861260, 7596395, 9605764, 10634953, 12007205, 15192790, 21269906, 24014410, 30385580, 42539812, 48028820, 53174765, 74444671, 106349530, 148889342, 212699060, 297778684, 372223355, 744446710, 1488893420]

約数ペア:

[(1, 1488893420), (2, 744446710), (4, 372223355), (5, 297778684), (7, 212699060), (10, 148889342), (14, 106349530), (20, 74444671), (28, 53174765), (31, 48028820), (35, 42539812), (49, 30385580), (62, 24014410), (70, 21269906), (98, 15192790), (124, 12007205), (140, 10634953), (155, 9605764), (196, 7596395), (217, 6861260), (245, 6077116), (310, 4802882), (434, 3430630), (490, 3038558), (620, 2401441), (868, 1715315), (980, 1519279), (1085, 1372252), (1519, 980180), (2170, 686126), (3038, 490090), (4340, 343063), (6076, 245045), (7595, 196036), (15190, 98018), (30380, 49009)]