740520340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{44449}}^1$

素因数の和:44489

約数の個数: 72

約数和(自身を含む): 1915439400

約数和(自身を除く): 1174919060

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 44449, 88898, 177796, 222245, 311143, 444490, 622286, 755633, 888980, 1244572, 1511266, 1555715, 2178001, 3022532, 3111430, 3778165, 4356002, 5289431, 6222860, 7556330, 8712004, 10578862, 10890005, 15112660, 21157724, 21780010, 26447155, 37026017, 43560020, 52894310, 74052034, 105788620, 148104068, 185130085, 370260170, 740520340]

約数ペア:

[(1, 740520340), (2, 370260170), (4, 185130085), (5, 148104068), (7, 105788620), (10, 74052034), (14, 52894310), (17, 43560020), (20, 37026017), (28, 26447155), (34, 21780010), (35, 21157724), (49, 15112660), (68, 10890005), (70, 10578862), (85, 8712004), (98, 7556330), (119, 6222860), (140, 5289431), (170, 4356002), (196, 3778165), (238, 3111430), (245, 3022532), (340, 2178001), (476, 1555715), (490, 1511266), (595, 1244572), (833, 888980), (980, 755633), (1190, 622286), (1666, 444490), (2380, 311143), (3332, 222245), (4165, 177796), (8330, 88898), (16660, 44449)]