449502640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 1080555840

約数和(自身を除く): 631053200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 181, 185, 296, 362, 370, 592, 724, 740, 839, 905, 1448, 1480, 1678, 1810, 2896, 2960, 3356, 3620, 4195, 6697, 6712, 7240, 8390, 13394, 13424, 14480, 16780, 26788, 31043, 33485, 33560, 53576, 62086, 66970, 67120, 107152, 124172, 133940, 151859, 155215, 248344, 267880, 303718, 310430, 496688, 535760, 607436, 620860, 759295, 1214872, 1241720, 1518590, 2429744, 2483440, 3037180, 5618783, 6074360, 11237566, 12148720, 22475132, 28093915, 44950264, 56187830, 89900528, 112375660, 224751320, 449502640]

約数ペア:

[(1, 449502640), (2, 224751320), (4, 112375660), (5, 89900528), (8, 56187830), (10, 44950264), (16, 28093915), (20, 22475132), (37, 12148720), (40, 11237566), (74, 6074360), (80, 5618783), (148, 3037180), (181, 2483440), (185, 2429744), (296, 1518590), (362, 1241720), (370, 1214872), (592, 759295), (724, 620860), (740, 607436), (839, 535760), (905, 496688), (1448, 310430), (1480, 303718), (1678, 267880), (1810, 248344), (2896, 155215), (2960, 151859), (3356, 133940), (3620, 124172), (4195, 107152), (6697, 67120), (6712, 66970), (7240, 62086), (8390, 53576), (13394, 33560), (13424, 33485), (14480, 31043), (16780, 26788)]