28439190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 80720640

約数和(自身を除く): 52281450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 109, 117, 130, 195, 218, 223, 234, 327, 390, 446, 545, 585, 654, 669, 981, 1090, 1115, 1170, 1338, 1417, 1635, 1962, 2007, 2230, 2834, 2899, 3270, 3345, 4014, 4251, 4905, 5798, 6690, 7085, 8502, 8697, 9810, 10035, 12753, 14170, 14495, 17394, 20070, 21255, 24307, 25506, 26091, 28990, 42510, 43485, 48614, 52182, 63765, 72921, 86970, 121535, 127530, 130455, 145842, 218763, 243070, 260910, 315991, 364605, 437526, 631982, 729210, 947973, 1093815, 1579955, 1895946, 2187630, 2843919, 3159910, 4739865, 5687838, 9479730, 14219595, 28439190]

約数ペア:

[(1, 28439190), (2, 14219595), (3, 9479730), (5, 5687838), (6, 4739865), (9, 3159910), (10, 2843919), (13, 2187630), (15, 1895946), (18, 1579955), (26, 1093815), (30, 947973), (39, 729210), (45, 631982), (65, 437526), (78, 364605), (90, 315991), (109, 260910), (117, 243070), (130, 218763), (195, 145842), (218, 130455), (223, 127530), (234, 121535), (327, 86970), (390, 72921), (446, 63765), (545, 52182), (585, 48614), (654, 43485), (669, 42510), (981, 28990), (1090, 26091), (1115, 25506), (1170, 24307), (1338, 21255), (1417, 20070), (1635, 17394), (1962, 14495), (2007, 14170), (2230, 12753), (2834, 10035), (2899, 9810), (3270, 8697), (3345, 8502), (4014, 7085), (4251, 6690), (4905, 5798)]