1939980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 6451200

約数和(自身を除く): 4511220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 149, 155, 186, 210, 217, 298, 310, 372, 420, 434, 447, 465, 596, 620, 651, 745, 868, 894, 930, 1043, 1085, 1302, 1490, 1788, 1860, 2086, 2170, 2235, 2604, 2980, 3129, 3255, 4172, 4340, 4470, 4619, 5215, 6258, 6510, 8940, 9238, 10430, 12516, 13020, 13857, 15645, 18476, 20860, 23095, 27714, 31290, 32333, 46190, 55428, 62580, 64666, 69285, 92380, 96999, 129332, 138570, 161665, 193998, 277140, 323330, 387996, 484995, 646660, 969990, 1939980]

約数ペア:

[(1, 1939980), (2, 969990), (3, 646660), (4, 484995), (5, 387996), (6, 323330), (7, 277140), (10, 193998), (12, 161665), (14, 138570), (15, 129332), (20, 96999), (21, 92380), (28, 69285), (30, 64666), (31, 62580), (35, 55428), (42, 46190), (60, 32333), (62, 31290), (70, 27714), (84, 23095), (93, 20860), (105, 18476), (124, 15645), (140, 13857), (149, 13020), (155, 12516), (186, 10430), (210, 9238), (217, 8940), (298, 6510), (310, 6258), (372, 5215), (420, 4619), (434, 4470), (447, 4340), (465, 4172), (596, 3255), (620, 3129), (651, 2980), (745, 2604), (868, 2235), (894, 2170), (930, 2086), (1043, 1860), (1085, 1788), (1302, 1490)]