201998722900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{235787}}^1$

素因数の和:236473

約数の個数: 72

約数和(自身を含む): 472773803040

約数和(自身を除く): 270775080140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 659, 1300, 1318, 2636, 3295, 6590, 8567, 13180, 16475, 17134, 32950, 34268, 42835, 65900, 85670, 171340, 214175, 235787, 428350, 471574, 856700, 943148, 1178935, 2357870, 3065231, 4715740, 5894675, 6130462, 11789350, 12260924, 15326155, 23578700, 30652310, 61304620, 76630775, 153261550, 155383633, 306523100, 310767266, 621534532, 776918165, 1553836330, 2019987229, 3107672660, 3884590825, 4039974458, 7769181650, 8079948916, 10099936145, 15538363300, 20199872290, 40399744580, 50499680725, 100999361450, 201998722900]

約数ペア:

[(1, 201998722900), (2, 100999361450), (4, 50499680725), (5, 40399744580), (10, 20199872290), (13, 15538363300), (20, 10099936145), (25, 8079948916), (26, 7769181650), (50, 4039974458), (52, 3884590825), (65, 3107672660), (100, 2019987229), (130, 1553836330), (260, 776918165), (325, 621534532), (650, 310767266), (659, 306523100), (1300, 155383633), (1318, 153261550), (2636, 76630775), (3295, 61304620), (6590, 30652310), (8567, 23578700), (13180, 15326155), (16475, 12260924), (17134, 11789350), (32950, 6130462), (34268, 5894675), (42835, 4715740), (65900, 3065231), (85670, 2357870), (171340, 1178935), (214175, 943148), (235787, 856700), (428350, 471574)]