87464020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2933

約数の個数: 72

約数和(自身を含む): 220631040

約数和(自身を除く): 133167020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 2879, 3038, 4340, 5758, 6076, 7595, 11516, 14395, 15190, 20153, 28790, 30380, 40306, 57580, 80612, 89249, 100765, 141071, 178498, 201530, 282142, 356996, 403060, 446245, 564284, 624743, 705355, 892490, 1249486, 1410710, 1784980, 2498972, 2821420, 3123715, 4373201, 6247430, 8746402, 12494860, 17492804, 21866005, 43732010, 87464020]

約数ペア:

[(1, 87464020), (2, 43732010), (4, 21866005), (5, 17492804), (7, 12494860), (10, 8746402), (14, 6247430), (20, 4373201), (28, 3123715), (31, 2821420), (35, 2498972), (49, 1784980), (62, 1410710), (70, 1249486), (98, 892490), (124, 705355), (140, 624743), (155, 564284), (196, 446245), (217, 403060), (245, 356996), (310, 282142), (434, 201530), (490, 178498), (620, 141071), (868, 100765), (980, 89249), (1085, 80612), (1519, 57580), (2170, 40306), (2879, 30380), (3038, 28790), (4340, 20153), (5758, 15190), (6076, 14395), (7595, 11516)]