200900450

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:603

約数の個数: 48

約数和(自身を含む): 382862400

約数和(自身を除く): 181961950

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 199, 305, 331, 398, 610, 662, 995, 1525, 1655, 1990, 3050, 3310, 4975, 8275, 9950, 12139, 16550, 20191, 24278, 40382, 60695, 65869, 100955, 121390, 131738, 201910, 303475, 329345, 504775, 606950, 658690, 1009550, 1646725, 3293450, 4018009, 8036018, 20090045, 40180090, 100450225, 200900450]

約数ペア:

[(1, 200900450), (2, 100450225), (5, 40180090), (10, 20090045), (25, 8036018), (50, 4018009), (61, 3293450), (122, 1646725), (199, 1009550), (305, 658690), (331, 606950), (398, 504775), (610, 329345), (662, 303475), (995, 201910), (1525, 131738), (1655, 121390), (1990, 100955), (3050, 65869), (3310, 60695), (4975, 40382), (8275, 24278), (9950, 20191), (12139, 16550)]