28907360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 74118240

約数和(自身を除く): 45210880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 185, 190, 257, 296, 304, 370, 380, 514, 592, 608, 703, 740, 760, 1028, 1184, 1285, 1406, 1480, 1520, 2056, 2570, 2812, 2960, 3040, 3515, 4112, 4883, 5140, 5624, 5920, 7030, 8224, 9509, 9766, 10280, 11248, 14060, 19018, 19532, 20560, 22496, 24415, 28120, 38036, 39064, 41120, 47545, 48830, 56240, 76072, 78128, 95090, 97660, 112480, 152144, 156256, 180671, 190180, 195320, 304288, 361342, 380360, 390640, 722684, 760720, 781280, 903355, 1445368, 1521440, 1806710, 2890736, 3613420, 5781472, 7226840, 14453680, 28907360]

約数ペア:

[(1, 28907360), (2, 14453680), (4, 7226840), (5, 5781472), (8, 3613420), (10, 2890736), (16, 1806710), (19, 1521440), (20, 1445368), (32, 903355), (37, 781280), (38, 760720), (40, 722684), (74, 390640), (76, 380360), (80, 361342), (95, 304288), (148, 195320), (152, 190180), (160, 180671), (185, 156256), (190, 152144), (257, 112480), (296, 97660), (304, 95090), (370, 78128), (380, 76072), (514, 56240), (592, 48830), (608, 47545), (703, 41120), (740, 39064), (760, 38036), (1028, 28120), (1184, 24415), (1285, 22496), (1406, 20560), (1480, 19532), (1520, 19018), (2056, 14060), (2570, 11248), (2812, 10280), (2960, 9766), (3040, 9509), (3515, 8224), (4112, 7030), (4883, 5920), (5140, 5624)]