28417540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 68584320

約数和(自身を除く): 40166780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 53, 68, 76, 83, 85, 95, 106, 166, 170, 190, 212, 265, 323, 332, 340, 380, 415, 530, 646, 830, 901, 1007, 1060, 1292, 1411, 1577, 1615, 1660, 1802, 2014, 2822, 3154, 3230, 3604, 4028, 4399, 4505, 5035, 5644, 6308, 6460, 7055, 7885, 8798, 9010, 10070, 14110, 15770, 17119, 17596, 18020, 20140, 21995, 26809, 28220, 31540, 34238, 43990, 53618, 68476, 74783, 83581, 85595, 87980, 107236, 134045, 149566, 167162, 171190, 268090, 299132, 334324, 342380, 373915, 417905, 536180, 747830, 835810, 1420877, 1495660, 1671620, 2841754, 5683508, 7104385, 14208770, 28417540]

約数ペア:

[(1, 28417540), (2, 14208770), (4, 7104385), (5, 5683508), (10, 2841754), (17, 1671620), (19, 1495660), (20, 1420877), (34, 835810), (38, 747830), (53, 536180), (68, 417905), (76, 373915), (83, 342380), (85, 334324), (95, 299132), (106, 268090), (166, 171190), (170, 167162), (190, 149566), (212, 134045), (265, 107236), (323, 87980), (332, 85595), (340, 83581), (380, 74783), (415, 68476), (530, 53618), (646, 43990), (830, 34238), (901, 31540), (1007, 28220), (1060, 26809), (1292, 21995), (1411, 20140), (1577, 18020), (1615, 17596), (1660, 17119), (1802, 15770), (2014, 14110), (2822, 10070), (3154, 9010), (3230, 8798), (3604, 7885), (4028, 7055), (4399, 6460), (4505, 6308), (5035, 5644)]