86821300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 196536032

約数和(自身を除く): 109714732

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 61, 86, 100, 122, 172, 215, 244, 305, 331, 430, 610, 662, 860, 1075, 1220, 1324, 1525, 1655, 2150, 2623, 3050, 3310, 4300, 5246, 6100, 6620, 8275, 10492, 13115, 14233, 16550, 20191, 26230, 28466, 33100, 40382, 52460, 56932, 65575, 71165, 80764, 100955, 131150, 142330, 201910, 262300, 284660, 355825, 403820, 504775, 711650, 868213, 1009550, 1423300, 1736426, 2019100, 3472852, 4341065, 8682130, 17364260, 21705325, 43410650, 86821300]

約数ペア:

[(1, 86821300), (2, 43410650), (4, 21705325), (5, 17364260), (10, 8682130), (20, 4341065), (25, 3472852), (43, 2019100), (50, 1736426), (61, 1423300), (86, 1009550), (100, 868213), (122, 711650), (172, 504775), (215, 403820), (244, 355825), (305, 284660), (331, 262300), (430, 201910), (610, 142330), (662, 131150), (860, 100955), (1075, 80764), (1220, 71165), (1324, 65575), (1525, 56932), (1655, 52460), (2150, 40382), (2623, 33100), (3050, 28466), (3310, 26230), (4300, 20191), (5246, 16550), (6100, 14233), (6620, 13115), (8275, 10492)]